Home / 436,134.67-654,115.78-414,506.54

Finding the Fourth Proportional to 436,134.67, 654,115.78 and 414,506.54

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Solution

The fourth proportional to 436,134.67, 654,115.78 and 414,506.54 is: 621,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,134.67 : 654,115.78 = 414,506.54 : x
  2. Step 2: Convert to fraction form
    436,134.67/654,115.78 = 414,506.54/x
  3. Step 3: Cross multiply
    436,134.67x = 654,115.78 × 414,506.54
  4. Step 4: Simplify right side
    436,134.67x = 271,135,266,055.65
  5. Step 5: Solve for x
    x = 271,135,266,055.65/436,134.67
  6. Step 6: Final answer
    x = 621,677.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.